585655 has 16 divisors (see below), whose sum is σ = 832320. Its totient is φ = 387072.

The previous prime is 585653. The next prime is 585671. The reversal of 585655 is 556585.

It is not a de Polignac number, because 585655 - 2¹ = 585653 is a prime.

585655 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 585655.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (585653) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 727 + ... + 1303.

It is an arithmetic number, because the mean of its divisors is an integer number (52020).

2⁵⁸⁵⁶⁵⁵ is an apocalyptic number.

585655 is a deficient number, since it is larger than the sum of its proper divisors (246665).

585655 is a wasteful number, since it uses less digits than its factorization.

585655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 618.

The product of its digits is 30000, while the sum is 34.

The square root of 585655 is about 765.2809941453. The cubic root of 585655 is about 83.6656684343.

It can be divided in two parts, 5 and 85655, that multiplied together give a triangular number (428275 = T₉₂₅).

The spelling of 585655 in words is "five hundred eighty-five thousand, six hundred fifty-five".